dongwang788787 2012-07-29 07:31
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php中contentPlaceHolder的等价物

I am using PHP and CodeIgniter. In every view file, I include the header.php, seen below:

<head>
  <link rel="...">
  <script type="text/javascript">...</script>
</head>

Notice that the head tag is closed in this file. Now I want to add a <script> tag in another file without modifying header.php. C# has ContentPlaceHolder that can be used to indicate where tags can be added within head tag. Is there any equivalent in php? If not, How can I achieve this?

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  • dongxing1853 2012-07-29 08:50
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    You can easily add other scripts in your header by adding a single variable in your controller like this:

    Controller:

    $data['myScript'] = '<link rel="..."><script type="text/javascript">...</script>';
    $this->load->view('myView',$data);
    

    Then in your header.php add:

    <head>
      <link rel="...">
      <script type="text/javascript">...</script>
      <?php if (isset($myScript)) echo $myScript; ?>
    </head>
    

    This makes a very customizeable template for each view because you can add the scripts only in the views you need them.

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